/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) by Kongsberg Oil & Gas Technologies.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  ("GPL") version 2 as published by the Free Software Foundation.
 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
 *
 *  For using Coin with software that can not be combined with the GNU
 *  GPL, and for taking advantage of the additional benefits of our
 *  support services, please contact Kongsberg Oil & Gas Technologies
 *  about acquiring a Coin Professional Edition License.
 *
 *  See http://www.coin3d.org/ for more information.
 *
 *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
 *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
 *
\**************************************************************************/

#ifndef DO3D_SOINTRUSIVEPTR_H
#define DO3D_SOINTRUSIVEPTR_H

template<typename T> class SoIntrusivePtr
{
private:
  T* ptr_;

public:
  SoIntrusivePtr() : ptr_(nullptr) { }
  SoIntrusivePtr(T* ptr) : ptr_(ptr) { if (ptr_ != nullptr) ptr_->ref(); }
  ~SoIntrusivePtr() { if (ptr_ != nullptr) ptr_->unref(); }

  T* operator ->() { return ptr_; }
  T* get() { return ptr_; }
    
};

#endif //DO3D_SOINTRUSIVEPTR_H